New Zealand · costs in NZD
Cooling only window / wall air conditioner
Gree GJC21AE-K6NRNB3A Heat Pump
Gree GJC21AE-K6NRNB3A is a 6 kW cooling only window / wall heat pump registered for sale in New Zealand under the trans-Tasman E3 energy rating scheme (registration AAC8638).
- Energy rating (cooling)
- 1.5
- Annual electricity use
- 497 kWh
- Estimated running cost
- $164 / year
- $14 / month · $1,640 over 10 years
- Capacity
- 6 kW cooling
Only 3 comparable registrations in this cohort, so no percentile is shown.
Across all 3,611 air conditioner registrations sold in Australia, it uses less than 95% (this compares very different sizes, so the cohort figure above is the useful one).
Annual kWh is the government label figure for a residential user in the cold zone (Canberra climate: Canberra, Hobart, Ballarat, alpine areas). All of New Zealand is the cold zone on the Zoned Energy Rating Label. Cost = kWh × 33c/kWh in NZD; change the price above to your tariff.
Gree GJC21AE-K6NRNB3A running cost by climate zone
| Climate zone | kWh / year | Per year | 10 years |
|---|---|---|---|
| Cold zone | 497 | $164 | $1,640 |
| Mixed zone | 754 | $249 | $2,488 |
| Hot zone | 2,249 | $742 | $7,422 |
At 33c/kWh. Formula: cost = annual kWh × price. The kWh figure is the label’s residential estimate for that zone; commercial-profile figures are in the specifications.
Heat pumps that use less electricity
Same configuration and type, cooling capacity within 12% of 6 kW, at least 3% lower annual kWh in the cold zone.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Gree GJC18AG-K6DRNG1A5.3 kW cooling392 kWh/yr | 2 | $129 | |
| Kelvinator KWH52CRF5.3 kW cooling419 kWh/yr | 2 | $138 | |
| Gree GJC18AE-K6NRNB3A5.3 kW cooling421 kWh/yr | 2 | $139 | |
| TECO TWW53CFWDG5.3 kW cooling421 kWh/yr | 2 | $139 |
Heat pumps similar to the Gree GJC21AE-K6NRNB3A
Technically comparable registrations: same configuration and type, capacity within 12%.
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| TECO TWW60CFWDG6 kW cooling497 kWh/yr | 1.5 | $164 | |
| Kelvinator KWH60CRF6 kW cooling497 kWh/yr | 1.5 | $164 | |
| Kelvinator KWH52CRF5.3 kW cooling419 kWh/yr | 2 | $138 | |
| TECO TWW53CFWDG5.3 kW cooling421 kWh/yr | 2 | $139 |
Other Gree models of similar capacity
| Model | Stars | Est. cost / yr | Compare |
|---|---|---|---|
| Gree GJC18AE-K6NRNG1A5.3 kW cooling421 kWh/yr | 2 | $139 | |
| Gree GJC18AG-K6DRNG1A5.3 kW cooling392 kWh/yr | 2 | $129 |
Compare GJC21AE-K6NRNB3A with another model
Gree GJC21AE-K6NRNB3A specifications
- Type
- Cooling only
- Configuration
- Window / wall
- Air distribution
- Non-ducted
- Indoor unit
- –
- Rated cooling capacity (35 °C)
- 6.00 kW
- Cooling power input
- 1.81 kW
- Rated heating capacity (7 °C)
- –
- Heating power input
- –
- EER, full load (tested)
- 3.33
- COP, full load (tested)
- –
- Rated AEER
- 3.31
- Rated ACOP
- –
- Standby power (PIA)
- 1.1 W
- Compressor
- Fixed speed
- Refrigerant
- R32
- Power supply
- Single phase
- Indoor sound power
- 65.2 dB(A)
- Outdoor sound power
- 70.9 dB(A)
- Demand response (AS/NZS 4755)
- No
- Country of manufacture
- China
Dimensions are not collected for registrations under the 2019 Determination, so they are shown only where the source has them.
Gree GJC21AE-K6NRNB3A zoned energy rating figures
As published for each climate zone. Residential figures drive the star ratings; commercial figures assume a commercial usage pattern.
| Zone | Profile | Cooling stars | Heating stars | Cooling kWh | Heating kWh |
|---|---|---|---|---|---|
| Coldcommercial | commercial | – | – | 1,166 | – |
| Coldresidential | residential | 1.5 | – | 497 | – |
| Mixedcommercial | commercial | – | – | 1,435 | – |
| Mixedresidential | residential | 1.5 | – | 754 | – |
| Hotcommercial | commercial | – | – | 3,107 | – |
| Hotresidential | residential | 1.5 | – | 2,249 | – |
Part-load test points (3 values)
- c__low_temp_full_cap_power_rated
- 1680 W
- c__low_temp_have_full_cap_results
- Yes
- c__low_temp_full_cap_cooling_cap_rated
- 6550 W
Other model numbers on registration AAC8638
Registered together and sharing the same test results. Usually variants of the same unit.
New Zealand E3 registration details
- Registration number
- AAC8638
- GEMS registration id
- 167585
- Status
- approved, available (self-reported)
- Registration expires
- 31 March 2030
- Registered for sale in
- Australia, Fiji, New Zealand
- Family
- GJC21AE-K6NRNR1A
- Regulatory standard
- [SEER Non Multi-Split <=65kW] GEMS (Air Conditioners up to 65kW) Determination 2019
- Test standard
- AS/NZS 3823.1.1:2012
- MEPS
- 2019
- Product class
- Class 5
Source: E3 programme registration data (EECA, New Zealand) (trans-Tasman E3 registration data published by DCCEEW on data.gov.au, CC BY 3.0 AU). Dataset published 19 September 2026; last checked 20 September 2026. How the derived figures are calculated.